CN114569909A

CN114569909A - Self-suction filter type gas mask for fire emergency

Info

Publication number: CN114569909A
Application number: CN202210349051.XA
Authority: CN
Inventors: 骆明亮; 蔡冬冬; 唐东东
Original assignee: Jiangsu Antai Safety Technology Co ltd
Current assignee: Jiangsu Antai Safety Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-06-03

Abstract

The invention discloses a self-absorption filter type gas mask for fire emergency, which comprises a mask body and is characterized in that: the novel face mask is characterized in that binding bands are fixed on two sides of the face mask body correspondingly through sewing, semiconductor refrigerating pieces are installed on the inner wall of the face mask body, face cooling pipes are arranged at the bottoms of the semiconductor refrigerating pieces in an inserting mode, the face cooling pipes are embedded into the inner wall of the face mask body and annularly pass through the side walls of the binding bands, one ends of the face cooling pipes are in through connection with the tops of the semiconductor refrigerating pieces, filters are embedded into two sides of the face mask body, one ends of the filters extend into the inner wall of the face mask body, one sides of the filters, which are located on the inner wall of the face mask body, are in through connection with extending hoses, connecting plates are fixedly welded on the outer walls of the extending hoses, and shaping contact bodies are fixedly bonded on one sides of the connecting plates.

Description

Self-suction filter type gas mask for fire emergency

Technical Field

The invention relates to the technical field of gas masks, in particular to a self-absorption filter type gas mask for fire emergency.

Background

The gas mask utilizes the filter to carry out filterable mask to toxic air, wear gas mask for a long time and carry out the during operation in the regional workman of conflagration, because site temperature is higher, facial bandage is because the sweat of long-time ventilative and top bonding fireman that does not cause to wear very uncomfortable, current gas mask is when filtering simultaneously, because breathe and can condense many steam in inside, these steam are gathered for a long time and also can cause the uncomfortable of wearing in the face guard, the practicality is poor. Therefore, it is necessary to design a self-priming filter respirator for fire emergency with high practicability.

Disclosure of Invention

The present invention is directed to a self-priming filtering respirator for fire emergency, which solves the above-mentioned problems of the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a fire emergency is with inhaling filtration formula breathing mask certainly, includes the face guard body, its characterized in that: the both sides of face guard body correspond and are fixed with the bandage through sewing up, semiconductor refrigeration piece is installed to the inner wall of face guard body, the bottom interlude of semiconductor refrigeration piece is provided with facial cooling tube, the embedding of facial cooling tube is at the inner wall of face guard body, and the lateral wall of facial cooling tube annular process bandage, the one end of facial cooling tube and the top through connection of semiconductor refrigeration piece, the both sides embedding of face guard body is provided with the filter, the inner wall of face guard body is stretched into to the one end of filter.

According to the technical scheme, one side through connection that the filter is located face guard body inner wall has the hose of stretching into, the outer wall of stretching into the hose has the connecting plate through welded fastening, one side of connecting plate is fixed with moulding contact through the bonding, the one end of stretching into the hose stretches into the inside of moulding contact, the inner wall of moulding contact is fixed with the nose pipe through the bonding, nose pipe protrusion is in the lateral wall of moulding contact, a plurality of cavitys have been seted up to the inside of moulding contact.

According to the technical scheme, the connecting plate is internally provided with the guide pipe in an inserted manner, the inner wall of the guide pipe is fixedly provided with the blocking ring in an adhered manner, the guide pipe is internally provided with the spring, one end of the spring is connected with the valve plate, and the valve plate is in contact with the blocking ring.

According to the technical scheme, the outer wall of stretching into the hose has solid fixed ring through welded fastening, gu fixed ring evenly has seted up the slide opening on, and slide in the slide opening and peg graft and be provided with square gas injection shell, the inside slip of square gas injection shell is pegged graft and is provided with the activity stopper, the top of activity stopper has according to the movable block through welded fastening.

According to the technical scheme, the bottom of the square gas injection shell is provided with the extending pipe in a penetrating mode, one end of the extending pipe is in contact with the valve plate, the position, close to the bottom, of the extending pipe is provided with the through hole, and the extending pipe and the inner wall of the blocking ring are mutually sealed.

According to the technical scheme, the inner wall of the stretching hose is fixedly provided with the spiral cooling pipe through welding, one end of the spiral cooling pipe is connected with the pumping pump in a penetrating mode, the output end of the pumping pump is connected with the semiconductor refrigeration piece in a penetrating mode, one side of the stretching hose located below is provided with the branch opening, the branch opening is provided with the drain valve, and the drain valve is embedded into the inner wall of the mask body.

According to the technical scheme, one end of each spiral cooling pipe, which is positioned in each of the two extending hoses, is communicated with a reversing valve, two ports of each reversing valve are communicated with the face cooling pipe, and the extending hoses are internally provided with temperature sensors.

According to the technical scheme, the outer wall of the valve block and the inner wall of the blocking ring are both in a shape of an inclined surface with a small upper part and a large lower part, and the width of the valve block is smaller than the diameter of the inner wall of the guide pipe.

Compared with the prior art, the invention has the following beneficial effects: the invention can cool the bandage contacted with the face when wearing by arranging the semiconductor refrigeration piece and other components, and simultaneously, after the wearer adjusts the conduit to be aligned with the nasal cavity, the exhaled air can completely enter the filter and can not enter the mask, the face can be kept dry all the time, the mask is suitable for being worn for a long time, and meanwhile, the mask is suitable for cooling the inhaled air, is suitable for high-temperature occasions, collects and discharges condensed water, and the mask can not accumulate water.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a plastic contact and connection plate mounting structure of the present invention;

FIG. 3 is a cross-sectional structural view of the connection plate of the present invention;

FIG. 4 is a hydraulic schematic of the present invention;

fig. 5 is a schematic view of a partial structure of a plastic contact body of the present invention;

in the figure: 1. a mask body; 2. a semiconductor refrigeration sheet; 3. a filter; 4. extending into the hose; 5. a contact body is shaped; 6. a fixing ring; 11. binding bands; 21. a face cooling tube; 41. a temperature sensor; 42. a drain valve; 43. a spiral cooling tube; 44. a pump; 45. a diverter valve; 46. a nasal tube; 51. a connecting plate; 52. a cavity; 53. a conduit; 54. a valve plate; 55. extending the tube; 56. a spring; 57. a check ring; 61. a square gas injection shell; 62. a movable plug; 63. and pressing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a fire emergency is with inhaling filtration formula breathing mask certainly, includes face guard body 1, its characterized in that: the mask comprises a mask body 1, binding bands 11 are fixed on two sides of the mask body 1 correspondingly through sewing, a semiconductor refrigerating sheet 2 is installed on the inner wall of the mask body 1, a face cooling pipe 21 is arranged at the bottom of the semiconductor refrigerating sheet 2 in an inserting mode, the face cooling pipe 21 is embedded into the inner wall of the mask body 1, the face cooling pipe 21 annularly passes through the side wall of the binding bands 11, one end of the face cooling pipe 21 is in through connection with the top of the semiconductor refrigerating sheet 2, filters 3 are embedded into two sides of the mask body 1, one end of each filter 3 extends into the inner wall of the mask body 1, a circulating device is arranged in each semiconductor refrigerating sheet 2, when the mask is used, the binding bands 11 are firstly bound on the face and the back neck of a patient, and the circulating device circulates air and then enters the face cooling pipe 21, so that the face of the user is cooled, and the mask is suitable for high-temperature occasions;

one side of the filter 3, which is positioned on the inner wall of the mask body 1, is in through connection with the extending hose 4, the outer wall of the extending hose 4 is fixedly provided with a connecting plate 51 through welding, one side of the connecting plate 51 is fixedly provided with a moulding contact body 5 through bonding, one end of the extending hose 4 extends into the moulding contact body 5, the inner wall of the moulding contact body 5 is fixedly provided with a nose pipe 46 through bonding, the nose pipe 46 protrudes out of the side wall of the moulding contact body 5, a plurality of cavities 52 are formed in the moulding contact body 5, the nose pipe 46 is inserted into a nasal cavity when the mask is worn, air exhaled by a user directly and completely enters the extending hose 4 and enters the filter 3 for air purification, water vapor cannot be contacted with the inner wall of the mask body 1, the water vapor is prevented from remaining and being overheated and moist due to the temperature of the exhaled water vapor, the face can be kept dry and comfortable all the time, and the moulding contact body 5 and the bottom of the nasal cavity are contacted with each other simultaneously, sealing can be effectively carried out;

the connecting plate 51 is internally provided with a conduit 53 in an inserted manner, the inner wall of the conduit 53 is fixedly provided with a blocking ring 57 in an adhered manner, the conduit 53 is internally provided with a spring 56, one end of the spring 56 is connected with a valve plate 54, the valve plate 54 is in contact with the blocking ring 57, and air is pumped into the cavity 52 to expand different positions of the moulding contact body 5, so that the moulding contact body is more tightly attached to the nasal cavity of a user;

the outer wall of the extending hose 4 is fixedly provided with a fixing ring 6 through welding, sliding holes are uniformly formed in the fixing ring 6, square air injection shells 61 are arranged in the sliding holes in a sliding insertion mode, movable plugs 62 are arranged in the square air injection shells 61 in a sliding insertion mode, pressing blocks 63 are fixedly arranged at the tops of the movable plugs 62 through welding, air in the square air injection shells 61 can be injected into the cavities 52 through continuously pressing the movable plugs 62 downwards, quantitative air injection is facilitated, the square air injection shells 61 slide downwards to be adjusted in adaptability when air injection is started, the square air injection shells 61 slide upwards to be separated from the cavities 52 when the air injection is finished, and air injection and daily use are facilitated;

the bottom of the square gas injection shell 61 is provided with an extending pipe 55 in a penetrating manner, one end of the extending pipe 55 is in contact with the valve plate 54, a through hole is formed in the position, close to the bottom, of the extending pipe 55, the inner walls of the extending pipe 55 and the blocking ring 57 are mutually sealed, when the through hole in the extending pipe 55 extends to the position below the blocking ring 57, the movable plug 62 is pulled upwards to discharge gas in the cavity 52 into the square gas injection shell 61, the plastic contact body 5 is convenient to restore to an initial state, gas discharging and gas charging switching is convenient, the movable plug 62 can stop at a certain middle position after air is pumped into the plastic contact body 5 at the beginning, the movable plug is still at a corresponding position when the movable plug is restored to the original position, at the moment, shape gas charging quantity memory can be conveniently carried out, and all cavities 52 can be restored to the initial state through one-time flattening;

a spiral cooling pipe 43 is fixed on the inner wall of the extension hose 4 by welding, one end of the spiral cooling pipe 43 is connected with a pumping pump 44 in a penetrating way, the output end of the pumping pump 44 is connected with the semiconductor refrigerating sheet 2 in a penetrating way, one side of the extension hose 4 below is provided with a branch opening, a drain valve 42 is arranged at the branch opening, the drain valve 42 is embedded in the inner wall of the mask body 1, when a user breathes, air enters the extension hose 4 and then is cooled by the spiral cooling pipe 43, the sucked air is promoted to be cooled to a proper temperature so as not to be overheated, meanwhile, the condensation of the water vapor can be promoted so as not to be condensed in the filter 3 and block the filter 3, and when the use is finished, the drain valve 42 is opened so as to directly drain the water inside;

one end of the spiral cooling pipe 43 which is positioned in the two extending-in hoses 4 is commonly connected with a reversing valve 45 in a penetrating way, two ports of the reversing valve 45 are communicated with the face cooling pipe 21, a temperature sensor 41 is arranged in the extending-in hoses 4, when in use, the temperature sensor 41 senses the temperature of the two extending-in hoses 4, since the air outlet of the two nostrils of the user is not uniform in most cases, the temperature extending into the hose 4 is not uniform, when one of the extended hoses 4 has higher temperature, the reversing valve 45 is started to reverse, so that the cold medium in the loop connected with the spiral cooling pipe 43 enters the extended hose 4 with lower temperature, the colder medium can enter the hotter flexible pipe 4, so that the temperature of the two flexible pipes 4 can be effectively balanced, the temperature difference of the two flexible pipes 4 is not too large, and the use is comfortable;

the outer wall of valve plate 54 and the inner wall of stop ring 57 are both in the shape of an inclined plane with a small top and a large bottom, the width of valve plate 54 is smaller than the diameter of the inner wall of conduit 53, and the contact surface of the inclined plane makes valve plate 54 have better centering performance and is stable to open and close.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire emergency is with inhaling filtration formula breathing mask certainly, includes face guard body (1), its characterized in that: the both sides of face guard body (1) correspond and are fixed with bandage (11) through sewing up, semiconductor refrigeration piece (2) are installed to the inner wall of face guard body (1), the bottom interlude of semiconductor refrigeration piece (2) is provided with facial cooling tube (21), facial cooling tube (21) embedding is at the inner wall of face guard body (1), and the lateral wall of facial cooling tube (21) annular process bandage (11), the one end of facial cooling tube (21) and the top through connection of semiconductor refrigeration piece (2), the both sides embedding of face guard body (1) is provided with filter (3), the inner wall of face guard body (1) is stretched into to the one end of filter (3).

2. A fire emergency self-priming filter respirator according to claim 1 wherein: one side through connection that filter (3) are located face guard body (1) inner wall has stretched into hose (4), the outer wall that stretches into hose (4) has connecting plate (51) through welded fastening, one side of connecting plate (51) is fixed with moulding contact (5) through the bonding, the one end that stretches into hose (4) stretches into the inside of moulding contact (5), the inner wall of moulding contact (5) is fixed with nose pipe (46) through the bonding, nose pipe (46) protrusion is in the lateral wall of moulding (5) of contact, a plurality of cavitys (52) have been seted up to the inside of moulding contact (5).

3. A fire emergency self-priming filter respirator according to claim 2 wherein: the connecting plate is characterized in that a guide pipe (53) is arranged inside the connecting plate (51) in an inserted mode, a blocking ring (57) is fixedly arranged on the inner wall of the guide pipe (53) through bonding, a spring (56) is arranged inside the guide pipe (53), one end of the spring (56) is connected with a valve plate (54), and the valve plate (54) is in contact with the blocking ring (57).

4. A fire emergency self-priming filter respirator according to claim 3 wherein: the outer wall of stretching into hose (4) has solid fixed ring (6) through welded fastening, gu evenly seted up the slide opening on fixed ring (6), and slide in the slide opening and peg graft and be provided with square gas injection shell (61), the inside slip of square gas injection shell (61) is pegged graft and is provided with movable stopper (62), the top of movable stopper (62) is fixed with through welded fastening and presses movable block (63).

5. A fire emergency self-priming filter respirator according to claim 4 wherein: the bottom of square gas injection shell (61) link up and is provided with and stretches into pipe (55), the one end that stretches into pipe (55) contacts with valve block (54), stretch into pipe (55) and be close to the position of bottom and seted up the through-hole, stretch into pipe (55) and the inner wall of blockking circle (57) driving fit each other.

6. A fire emergency self-priming filter respirator according to claim 5 wherein: the inner wall that stretches into hose (4) has spiral cooling tube (43) through welded fastening, the one end through connection of spiral cooling tube (43) has pump-pump (44), the output and semiconductor refrigeration piece (2) through connection of pump-pump (44), the one side that stretches into hose (4) and be located the below has the branch opening, and the branch opening part is provided with bleeder valve (42), bleeder valve (42) embedding is at the inner wall of face guard body (1).

7. A fire emergency self-priming filter respirator according to claim 6 wherein: the one end that is located two and stretches into in hose (4) spiral cooling tube (43) link up jointly and have switching-over valve (45), two ports and facial cooling tube (21) of switching-over valve (45) are linked together, the internally mounted who stretches into hose (4) has temperature sensor (41).

8. A fire emergency self-priming filter respirator according to claim 7 wherein: the outer wall of the valve plate (54) and the inner wall of the blocking ring (57) are both in a shape of an inclined surface with a small upper part and a large lower part, and the width of the valve plate (54) is smaller than the diameter of the inner wall of the guide pipe (53).